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20286367 is a prime number
BaseRepresentation
bin100110101100…
…0101110011111
31102011122122221
41031120232133
520143130432
62002450211
7334300633
oct115305637
942148587
1020286367
11104a64a2
126963967
13428388a
1429a0dc3
151baab97
hex1358b9f

20286367 has 2 divisors, whose sum is σ = 20286368. Its totient is φ = 20286366.

The previous prime is 20286359. The next prime is 20286373. The reversal of 20286367 is 76368202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20286367 - 23 = 20286359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20286467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10143183 + 10143184.

It is an arithmetic number, because the mean of its divisors is an integer number (10143184).

Almost surely, 220286367 is an apocalyptic number.

20286367 is a deficient number, since it is larger than the sum of its proper divisors (1).

20286367 is an equidigital number, since it uses as much as digits as its factorization.

20286367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 20286367 is about 4504.0389651956. The cubic root of 20286367 is about 272.7311597998.

The spelling of 20286367 in words is "twenty million, two hundred eighty-six thousand, three hundred sixty-seven".